import re

z = """<img data-original="https://rpic.douyucdn.cn/appCovers/2016/11/13/1213973_201611131917_small.jpg" src="https://rpic.douyucdn.cn/appCovers/2016/11/13/1213973_201611131917_small.jpg" style="display: inline;">"""

x = """<img data-original="https://rpic.douyucdn.cn/live-cover/appCovers/2017/10/24/1312662_20171024005130_small.jpg" src="https://rpic.douyucdn.cn/live-cover/appCovers/2017/10/24/1312662_20171024005130_small.jpg" style="display: inline;">"""

data = re.findall(r"(https.+?\.jpg)",x)

print(data)
